is using for vs is used for

Some examples from the web:

• Why is using “for…in” with array iteration such a bad idea? No problem. We won't show you that ad again. Why didn't you like it? Uninteresting
• Is using for loop syntax for a “with(variable)” block an anti-pattern? No problem. We won't show you that ad again. Why didn't you like it?
• http://www.mathworks.com/matlabcentral/answers/130359-how-do-i-change-the- java-virtual-machine-jvm-that-matlab-is-using-for-windows-os. Linux OS:.
• Why is using for/foreach on a Range slow? When running timing tests for the first JVM Concurrency article I was surprised to see the original Scala code taking ...

Some examples from the web:

• The instrument that is used for removing moisture shall meet the minimum requirements in the following paragraph.
• Metatartaric acid is used for many kinds of food production.
• Sheldon, that computer is used for national defense.
• Tandemact is used for the treatment of type 2 (non-insulin dependent) diabetes mellitus.
• Gliolan is used for the visualisation of certain brain tumours (called malignant glioma) during tumour surgery.
• NeoSpect is used for preparation of technetium (99mTc) depreotide solution for injection.
• This reagent is used for determinations of cobalt, iron, manganese and zinc.
• This reagent is used for determinations of iron and zinc.
• Macugen is used for the treatment of all types of abnormal blood vessels growth in AMD patients.
• Most of the oil imported in developing countries is used for transportation.
• The seabed is used for observation of reefs and marine life.
• Second, a broader set of statistics is used for monitoring economic development in these countries.
• The hook is used for cutting line and cord.
• Forty per cent of energy is used for heating and cooling buildings.
• This field is used for additional information specifically requested by the Commission.
• Ebixa is used for the treatment of patients with moderate to severe Alzheimer's disease.
• Exelon is used for the treatment of memory disorders in patients with Alzheimer's disease.
• Exelon is used for the treatment of dementia in patients with Parkinson's disease.
• Axura is used for the treatment of patients with moderate to severe Alzheimer's disease.
• This field is used for the NACE heading.